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(11)

EP 1 546 815 A2

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(88) Date of publication A3: 27.05.2004 (43) Date of publication: 29.06.2005 Bulletin 2005/26 (21) Application number: 03753966.5 (22) Date of filing: 29.09.2003

(51) International Patent Classification (IPC)7: G03G 21/18, G03G 15/00 (86) International application number: PCT/JP2003/012410 (87) International publication number: WO 2004/029724 (08.04.2004 Gazette 2004/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 30.09.2002 JP 2002285221 (71) Applicant: CANON KABUSHIKI KAISHA Ohta-kuTokyo 146-8501 (JP)

(72) Inventors: SUNADA, Hidenori6-18-10-201, Shinmachi Ibaraki 302-0024 (JP) MOTOYAMA, Eiichi108, Yaraicho Tokyo 162-0805 (JP) OSARI, Yoshihito2-30-10-1101, Shinkawa Tokyo 104-0033 (JP) YAMAMOTO, Satoru2-2-3-203, Daishuku Ibaraki 302-0013 (JP) (74) Representative: Leson, Thomas Johannes Alois, Dipl.-Ing.  Tiedtke-Bühling-Kinne & Partner GbR,TBK-Patent,Bavariaring 4 80336 München 80336 München (DE)